Google Maps

Getting Started with Google Maps:
http://maps.google.com/support/bin/answer.py?hl=en&answer=144349&topic=1687350

How to Search:
http://maps.google.com/support/bin/answer.py?hl=en&answer=144337&topic=1687350

http://maps.google.com/support/bin/topic.py?hl=en&topic=1687353&parent=1687352

Google Earth

The official Google Earth Tutorials: http://www.google.com/earth/learn/

Take a Feature tour: http://earth.google.com/support/bin/answer.py?hl=en&answer=188201#